Kai Hahto (born 31 December 1973 in Vaasa, Finland) is a Finnish musician and drummer.

Kai Hahto
Tuska 20130628 - Wintersun - 32.jpg
Background information
Also known asThe Grinder, Dr. K.H., Caer Hallam Generis, K
Born (1973-12-31) 31 December 1973 (age 46)
OriginVaasa, Finland
GenresMelodic death metal, folk rock, power metal, grindcore
Years active1993–present
Associated actsNightwish, Wintersun, Rotten Sound, Arthemesia, Max on the Rox, Swallow The Sun, Kai Hahto Band


Hahto was a member of the grindcore band Rotten Sound.[1]

Hahto then recorded with the band Wintersun as a session drummer before joining them as a band member.[1]

Hahto has an endorsement relationship with Meinl cymbals, Pearl drums and hardware, Balbex drumsticks, Roland V-Drums and Finfonic earphones.[citation needed]

On 6 August 2014, it was announced that Hahto will be playing drums on the forthcoming Nightwish album, replacing Jukka Nevalainen, who went on hiatus from the band due to insomnia,[2] and Hahto performed on all live shows since that date. On July 15, 2019, Hahto became Nightwish's permanent drummer following Nevalainen's decision not to return to the band.[3]


Band Year of release Title Label
Cartilage 1992 Split album w/ Altar Drowned Productions
Vomiturition 1995 A Leftover Invasion Records
Wings 1995 Diatribe Woodcut Records
Rotten Sound 1995 Sick Bastard Genet Records
Rotten Sound 1995 Psychotic Veterinarian S.O.A. Records
Rotten Sound 1996 Loosin' Face Anomie Records
Enochian Crescent 1997 Telocvovim Woodcut Records
Rotten Sound 1997 Spitted Alive I.D.S. Records
Rotten Sound 1997 Under Pressure Repulse Records
Rotten Sound 1998 Drain Repulse Records
Rotten Sound 2000 Still Psycho Necropolis Records
Max on the Rox 2000 Voodoo Kråklund Records
Rotten Sound 2001 8 Hours of Lobotomy M.C.R. Records
Rotten Sound 2002 Murderworks Necropolis Records
Max on the Rox 2002 Rox II Kråklund Records
Rotten Sound 2003 Seeds of Hate Cudgel Agency
Rotten Sound 2003 From Crust 'Til Grind Century Media Records
Wintersun 2004 Wintersun Nuclear Blast
Max on the Rox 2004 Rhythmic Songs from a Mysterious Red House Kråklund Records
Rotten Sound 2005 Exit Spinefarm Records
Swallow the Sun 2009 New Moon Spinefarm Records
Swallow the Sun 2012 Emerald Forest and the Blackbird Spinefarm Records
Wintersun 2012 Time I Nuclear Blast
Nightwish 2015 Endless Forms Most Beautiful Nuclear Blast
Trees of Eternity 2016 Hour of the Nightingale Svart Records
Nightwish 2020 Human. :II: Nature. Nuclear Blast


  1. ^ a b Rivadavia, Eduardo. "Biography: Wintersun". Allmusic. Retrieved 22 May 2010.
  2. ^ "Nightwish Drummer Jukka Nevalainen Forced To Take Break From Band Due To Health Issues". Blabbermouth.net. 6 August 2014. Retrieved 6 August 2014.
  3. ^ "NIGHTWISH's JUKKA NEVALAINEN Officially Exits Band; KAI HAHTO Named Permanent Drummer". Blabbermouth. 15 July 2019. Retrieved 15 July 2019.

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